noun

The results suggest that long inverted repeats can form hairpins or cruciforms when they are located within a region of the helix backbone that is intrinsically curved, leading to large mobility anomalies in polyacrylamide gels.

Flutists are asked to sing through their instruments, pianists are asked to whistle and moan, and instrumental scores are visually twisted into circles or cruciforms.

These are arranged in a double cruciform, four apartments radiating from each staircase, which ingeniously receives borrowed daylight from two diagonally opposite corners, the other two corners containing service lifts.